(734) 649-6641


3600 Varsity Drive
Ann arbor, MI 48108-2228

Florence S. Wagner

- Research Scientist (Pteridophytes)

Academic Background

University of California, Berkeley, Ph.D.

Fields of study

Pteridophytes: systematics, evolution, cytology


Dr. Wagner's field of research is pteridophyte systematics and evolution. A current project is the determination, description, and publication of the ferns and fern allies of Hawaii. Until recently  there have been surveys and a field guide but no scientific systematic study of these plants, although they constitute one-sixth of the total native vascular flora of Hawaii. Extensive field work over several years primarily on Kauai, Oahu, Maui, and Hawaii, and to a lesser extent on Molokai,  has resulted in collections  being studied and described  in the Herbarium.

Another interest is the genus Botrychium (Ophioglossaceae), the moonworts. These little ferns, perhaps pro-gymnosperms, are difficult to find, but many new species have been discovered in the last two decades, and several are yet to be described. Research in both these projects involves herbarium and field work, and the study of chromosomes in determining species and hybrids. 

Select publications

Wagner, W. H., F. S. Wagner, R. W. Hobdy, and D. D.Palmer. 1999. Taxonomic notes on the pteridophytes of Hawaii II.Contr. Univ. Mich. Herb 22:135-187.

Wagner, W H., F. S. Wagner, and T. Flynn. 1995. Taxonomic notes on the pteridophytes of Hawaii. Contr. Univ. Michigan Herb 20: 241-260.

Wagner, F. S. 1995. The chromosomes of Sadleria (Blechnaceae). Contr. Univ. Mich. Herbarium 20: 239 -240.

Wagner, F. S. 1993. Chromosomes of North American grapeferns and moonworts (Ophioglossaceae: Botrychium) Contr. Univ. Mich. Herbarium 19: 353-362. 

Wagner, F. S. 1992. Cytological problems in Lycopodium sens. lat. Ann. Missouri Bot. Gard. 79: 718- 729.